En venire sa mere is a person in being for the purpose of:

En Ventre Sa Mere means in the mother's womb. For example, ‘child en ventre sa mere’ means a child in the mother’s womb. It refers to an unborn child, and is usually used while referring to that child's rights. In law, a child is for all beneficial purposes considered as born while in ventre sa mere. For example, for the purpose of inheritance, a child is treated as having been in existence at the time of the decedent's death if the child is en ventre sa mere at the time of a decedent's death and is subsequently born alive.

By: kartikey